<?php 
	class Person{
		private $_name;
		private $_age;

		public function __construct($name, $age){
			$this->_name = $name;
			$this->_age = $age;
		}

		public function getName(){
			return $this->_name;
		}
		
		public function getAge(){
			return $this->_age;
		}

		public function __sleep(){
			return array("_name");
		}

	}

?>